HD 965: An extremely peculiar A star with an extremely long rotation period G. Mathys, I. I. Romanyuk, S. Hubrig, D. O. Kudryavtsev, M. Schöller, E. A. Semenko and I. A. Yakunin A&A, 629 (2019) A39 Published online: 02 September 2019 DOI: 10.1051/0004-6361/201936092